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Finding the Fourth Proportional to 54,957.55, 82,436.46 and 15,514.65

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Solution

The fourth proportional to 54,957.55, 82,436.46 and 15,514.65 is: 23,272.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,957.55 : 82,436.46 = 15,514.65 : x
  2. Step 2: Convert to fraction form
    54,957.55/82,436.46 = 15,514.65/x
  3. Step 3: Cross multiply
    54,957.55x = 82,436.46 × 15,514.65
  4. Step 4: Simplify right side
    54,957.55x = 1,278,972,824.14
  5. Step 5: Solve for x
    x = 1,278,972,824.14/54,957.55
  6. Step 6: Final answer
    x = 23,272.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.